9000515 has 4 divisors (see below), whose sum is σ = 10800624. Its totient is φ = 7200408.

The previous prime is 9000499. The next prime is 9000517. The reversal of 9000515 is 5150009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5150009 = 179 ⋅28771.

It is a cyclic number.

It is not a de Polignac number, because 9000515 - 2⁴ = 9000499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900047 + ... + 900056.

It is an arithmetic number, because the mean of its divisors is an integer number (2700156).

Almost surely, 2^9000515 is an apocalyptic number.

9000515 is a deficient number, since it is larger than the sum of its proper divisors (1800109).

9000515 is a wasteful number, since it uses less digits than its factorization.

9000515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800108.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 9000515 is about 3000.0858321055. The cubic root of 9000515 is about 208.0123497968.

The spelling of 9000515 in words is "nine million, five hundred fifteen", and thus it is an aban number.